/ Dictionary / Index P plagiarism: Meaning and Definition of Find definitions for: pla•gia•rism Pronunciation: (plā'ju-riz"um, -jē-u-riz"-), [key] — n. the unauthorized use or close imitation of the language and thoughts of another author and the representation of them as one's own original work. something used and represented in this manner. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plagiarism (Thesaurus) plage plagiarize Related Content Daily Word Quiz: plausible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language